fix: fix incorrect parsing options when options with quote

[jas0ncn]

Currently when I set jestRunIt.environmentVariables, Jest run it will parsing it and pass to VSCode. But in some case, such as environmentVariables has quotes, convertEnvVariablesToObj split environmentVariables with empty space ' ' simply will incorrect split two variables.

Incorrect Case

{
	"jestRunIt.environmentVariables": "NODE_OPTIONS=\"--experimental-vm-modules --no-warnings\""
}

Causing start debug command failed:

Fixing Result